@article{DonnerFeudelSeehaferetal.2007,
  author    = {Reik Volker Donner and Fred Feudel and Norbert Seehafer and Miguel Angel Fernandez Sanjuan},
  title     = {Hierarchical modeling of a forced Roberts Dynamo},
  doi       = {10.1142/S021812740701941X},
  url       = {http://www.worldscinet.com/ijbc/ijbc.shtml},
  year      = {2007},
}